(0 19 3)(1 9 7)(2 12 11)(4 8 5)(6 14 10)(13 17 15)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (4 8 11)
(0 19 3)(1 9 7)(2 12 11 5 4)(6 14 10)(8)(13 17 15)(16 20 18)
2: (1 9 7)
(0 19 3)(1)(2 12 11 5 4)(6 14 10)(7)(8)(9)(13 17 15)(16 20 18)
3: (2 12 4)
(0 19 3)(1)(2)(4 11 5)(6 14 10)(7)(8)(9)(12)(13 17 15)(16 20 18)
4: (6 14 10)
(0 19 3)(1)(2)(4 11 5)(6)(7)(8)(9)(10)(12)(13 17 15)(14)(16 20 18)